The brother of an engineer held in Afghanistan on suspicion of gun running has said he is worried for his safety and does not believe he is guilty.
Peter Eaton was arrested in Kabul last month
Peter Eaton, 52, from Milford Haven, was one of six men, two of them UK nationals, detained in the capital Kabul last month.
The men have not yet been charged and no date has been set for any trial.
Mr Eaton's brother, Tim, said: "I don't think my brother would have done anything like that."
Peter Eaton, who was working in Afghanistan as an electrical engineer, was one of six men, two of them UK nationals, detained in the capital Kabul last month under suspicion of smuggling weapons.
The group arrested, believed to include Mr Eaton, another man from the UK, an American, an Indian and two local men, are alleged to have been in possession of guns and fake badges representing the International Security Assistance Force of peacekeepers.
The Foreign Office has said that two UK nationals were among a number of men who were arrested on 12 October on suspicion of attempting to smuggle weapons to Russia.
A spokesperson added the situation was being monitored the situation and they were waiting for a court date to be announced.
Tim Eaton told BBC Radio Wales that his brother had worked as an engineer in Afghanistan for several years, and before that in Kuwait and Bosnia.
He added: "He a good man really - I think I know my brother.
"I don't think my brother would have done anything like that.
"He's talked about having security guards and stuff because of the dangerous place he's working in.
"I don't think he's held a gun - not to my knowledge."